Finding the Fourth Proportional to 159,767,163.60, 239,650,745.40 and 68,890,752.60
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Solution
The fourth proportional to 159,767,163.60, 239,650,745.40 and 68,890,752.60 is: 103,336,128.90
Step by Step Solution
- Step 1: Write the proportion equation
159,767,163.60 : 239,650,745.40 = 68,890,752.60 : x - Step 2: Convert to fraction form
159,767,163.60/239,650,745.40 = 68,890,752.60/x - Step 3: Cross multiply
159,767,163.60x = 239,650,745.40 × 68,890,752.60 - Step 4: Simplify right side
159,767,163.60x = 16,509,720,211,756,988 - Step 5: Solve for x
x = 16,509,720,211,756,988/159,767,163.60 - Step 6: Final answer
x = 103,336,128.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.